Belt Drives Ltd Open Primary Belt Drives

Belt Drives Ltd (BDL) is the standard in open primary belt drives for Harley-Davidson. Twisted Choppers carries BDL 2-inch, 3-inch and 3-3/8-inch Monster Top Fuel open belt drive kits for 1990–2017 Softail models, plus polished billet inner primary spacers for wide-tire offset applications. An open belt drive is the classic chopper look, and BDL kits deliver it with a stronger, cooler-running primary.